Geometry - 13 - Proving Parallelograms

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Комментарии
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I have a huge test with this tomorrow and I still don’t know how to do this

update: I got an 80

roserogerrs
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The reason for step 5 should be CPCTC which is the shortened version and it means "Corresponding parts of Congruent Triangles are Congruent".

CassieGrey
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I am very glad that you made this video! I have been struggling with proving and this really helped me, I learned more terms and knowledgement of how to prove parallelograms!!

darseyjones
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Thank you looking forward to more videos!

Bsto
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proof No.2 is incorrect, rectangles also  have opposite sides that are equal

gilbertgogym
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Hi! Thanks for the video. :) I'm relatively new to proofs, so I have a tiny question.
Could we say that DC and AB are parallel because of the converse of the alternate interior angles theorem?

marcelomeanswarrior
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Reading these comments is making me dumber.

mannatrajput
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wouldn't AC=CA because if you see the triangles, CA would correspond to AC.

MsLuverz